Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11806692 | Method for producing water-absorbing agent | Ryota WAKABAYASHI, Mai SATO, Tokio Shuto, Yoshihiro Shobo | 2023-11-07 |
| 11766659 | Method for producing water-absorbent resin powder, and drying device and drying method for particulate hydrous gel | Hiroyasu WATABE, Mai SATO, Ryota WAKABAYASHI, Yoshihiro Shobo, Shin-ya Katsube +4 more | 2023-09-26 |
| 11465126 | Method for producing water-absorbent resin powder and production apparatus therefor | Hiroyasu WATABE, Mai SATO, Ryota WAKABAYASHI, Yoshihiro Shobo, Shin-ya Katsube +10 more | 2022-10-11 |
| 11459431 | Method for producing polyacrylic acid (salt)-based water absorbent resin | Hidenori Wada, Katsuyuki Wada, Seiji Kato | 2022-10-04 |
| 10974223 | Method for producing water absorbent resin | Tokio Shuto, Shin-ichi Fujino, Koji Honda, Ryota WAKABAYASHI | 2021-04-13 |
| 10662300 | Method for producing polyacrylic acid (salt)-based water-absorbent resin | Hidenori Wada, Seiji Kato | 2020-05-26 |
| 10640591 | Method for producing water-absorbent resin | Shin-ichi Fujino, Ryota WAKABAYASHI, Kozo Nogi, Koji Honda, Yoshiki Katada +1 more | 2020-05-05 |
| 10537874 | Method for producing particulate water-absorbing agent | Kazushi Torii, Kunihiko Ishizaki, Shinichi Fujino, Ryota WAKABAYASHI | 2020-01-21 |
| 10029027 | Production method for water-absorbing resin composition | Takahiro Kitano, Yorimichi Dairoku, Sumio Okuda, Kozo Nogi | 2018-07-24 |
| 9775927 | Particulate water absorbent and process for production thereof | Taishi Kobayashi, Taku Iwamura, Katsuyuki Wada, Kozo Nogi, Yoshiro Mitsukami +3 more | 2017-10-03 |
| 9180220 | Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent | Kazushi Torii, Hirofumi Shibata, Kazuki Kimura, Yasuhisa Nakashima, Hiroko Ueda +1 more | 2015-11-10 |
| 8952116 | Particulate water absorbent and process for production thereof | Taishi Kobayashi, Taku Iwamura, Katsuyuki Wada, Kozo Nogi, Yoshiro Mitsukami +3 more | 2015-02-10 |
| 8703859 | Production method for water-absorbing resin composition | Takahiro Kitano, Yorimichi Dairoku, Sumio Okuda, Kozo Nogi | 2014-04-22 |
| 8513364 | Production method of water-absorbent resin | Masazumi Sasabe, Sumio Okuda, Yorimichi Dairoku, Shuji Kanzaki, Yoshihiro Kita | 2013-08-20 |
| 8501873 | Water absorbent material, method for production of surface cross-linked water absorbent resin, and method for evaluation of water absorbent material | Masazumi Sasabe, Kenji Kadonaga, Shigeru Sakamoto, Tsunemasa Ueno, Hiroko Ueda +1 more | 2013-08-06 |
| 8426670 | Absorbent structure, absorbent article, water-absorbent resin, and its production process and evaluation method | Kinya Nagasuna, Kenji Kadonaga, Akiko Mitsuhashi | 2013-04-23 |
| 8247491 | Water-absorbent resin composition and its production process | Kazushi Torii, Yoshiro Mitsukami, Taku Iwamura, Toshimasa Kitayama, Kenji Kadonaga +6 more | 2012-08-21 |
| 8198209 | Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent | Kazushi Torii, Hirofumi Shibata, Kazuki Kimura, Yasuhisa Nakashima, Hiroko Ueda +1 more | 2012-06-12 |
| 7638570 | Water-absorbing agent | Kazushi Torii, Yoshiro Mitsukami, Taku Iwamura | 2009-12-29 |
| 7196139 | Water-absorbent resin composition | Hirotama Fujimaru, Katsuyuki Wada, Kunihiko Ishizaki, Hiroki Inoue | 2007-03-27 |